Technical specifications Type 441, 442 high nominal diameter

Nominal Diameter at Inlet

DN 250 - DN 400 | 10" - 16"

Actual Orifice Diameter d₀

200 - 295 mm | 7.87 - 11.61 in

Actual Orifice Area A₀

31416 - 68349 mm² | 48.695 - 105.942 in²

Pressure

0.2 - 25 bar | 2.9 - 363 psig

Flange Rating Inlet

PN 16 - PN 25 | CL150 - CL300

Temperature (in accordance with DIN EN)

-196 to 550 °C | -321 to 1022 °F

Temperatur (nach ASME)

-184 to 427 °C | -300 to 800 °F

Body Material

1.0460 / 1.0425, 1.4571 | Carbon steel, 316Ti

Valve Connection

Flange acc. to DIN EN 1092-1 or acc. to ASME B 16.5 or acc. to JIS 2220

Bellows Material (optional)

Stainless steel

Load Type

Spring loaded

Approvals

PED/DIN EN ISO 4126-1, PED/AD 2000-Merkblatt A2, ASME Section XIII certified for Section VIII Div. 1 service, CRN, AQSIQ, EAC

Classification societies

LR, RINA, DNV GL, BV, ABS